1)之前的笔记写过<补码探讨>,可知在FPGA综合成电路的时候最底层都是以补码的形式在运算,正数的补码就是本身,负数的补码要取反+1. (2)那么Verilog中编程的时候对编程人员来说,其实想不到现在的编译器(Quartus II 9.1和ISE10.1没有问题,更高的版本应该更加可以了)都支持verilog有符号运算的综合了.在定义时直接加上signed即可,如下: input signed [7:0] a, b; output signed [15:0] c; wire signed
求平均成绩 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 58415 Accepted Submission(s): 13985 Problem Description 假设一个班有n(n<=50)个学生,每人考m(m<=5)门课,求每个学生的平均成绩和每门课的平均成绩,并输出各科成绩均大于等于平均成绩的学生数量. Inpu
求平均成绩 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 74055 Accepted Submission(s): 17809 Problem Description 假设一个班有n(n<=50)个学生,每人考m(m<=5)门课,求每个学生的平均成绩和每门课的平均成绩,并输出各科成绩均大于等于平均成绩的学生数量. Inpu
求平均成绩 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 61842 Accepted Submission(s): 14812 Problem Description 假设一个班有n(n<=50)个学生,每人考m(m<=5)门课,求每个学生的平均成绩和每门课的平均成绩,并输出各科成绩均大于等于平均成绩的学生数量. Inp
Home Web Board ProblemSet Standing Status Statistics Problem F: 求平均年龄 Problem F: 求平均年龄 Time Limit: 1 Sec Memory Limit: 128 MBSubmit: 720 Solved: 394[Submit][Status][Web Board] Description 定义一个Persons类,用于保存若干个人的姓名(string类型)和年龄(int类型),定义其方法 void ad
DATA SEGMENT ORG 1000H INFO DB 1,2,3,4,5,70H,71H,72H,80H,92H MAX DB 00H DATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA START: MOV AX,DATA MOV DS,AX MOV CX,10 MOV BX,1000H DEC BX SIGN: INC BX MOV DL,BYTE PTR [BX] CMP DL,MAX JA CHANGE NEXT: LOOP SIGN MO